TF2 Item Origins: Spy

Spy - TF2 Classic Wiki

TF2 Big Kill & Lugermorph Props (3D Printed)

Whomobile

10 Worst Weapons In Team Fortress 2, Ranked

List of references - Official TF2 Wiki

Team Fortress 2 - Internet Movie Firearms Database - Guns in

Mann's Milk : r/tf2

Comically Large Revolver [TF2]

Tf2 Items: Spy Loadouts/Origin